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BLUETTI AC2A Review

204Wh of storage, 300W continuous output, LiFePO4 cells. Listed at $149 at BLUETTI.

The BLUETTI AC2A is a portable under 600wh unit holding 204Wh. At $0.73 per watt-hour it is priced below the median for the band, which makes it one of the cheaper ways to buy this much capacity. It uses LiFePO4 cells rated for 3,000 cycles, so it is built to be kept rather than replaced. This model is discontinued, so stock is whatever is left in the channel. It lists at $149 against an $548 MSRP.

Manufacturer price at the time of writing. We may earn a commission, which never changes what the figures say.

What the numbers work out to
$0.73
per watt-hour
Purchase price divided by rated capacity. The standard way to compare cost across sizes.
25.8
Wh per pound
Energy density. What decides whether you will actually carry it.
24.3¢
per kWh over its life
Price divided by the energy it can deliver across 3,000 rated cycles. Compare it to what your utility charges.

Computed from this unit’s published specification, not from a manufacturer claim. Method and the full catalogue comparison are in our power station price index.

What the BLUETTI AC2A will run, and for how long

Runtimes below are calculated from the 204Wh rated capacity, derated to 85% for AC loads and 92% for USB and 12V loads to cover inverter and conversion losses. They are arithmetic, not lab measurements, but they are the same arithmetic applied to every unit we track, so the comparison holds. Anything drawing more than the 300W continuous rating is left off the list because this unit cannot carry it, though the 600W surge rating covers brief startup spikes from motors and compressors.

LoadEstimated runtime
Phone charge (12Wh)15 charges
Wi-Fi router (10W)17 hr 20 min
LED work light (10W)18 hr 46 min
CPAP, humidifier off (40W)4 hr 20 min
Laptop (60W)2 hr 53 min
12V portable fridge (45W avg)3 hr 51 min
55-inch TV (90W)1 hr 56 min

Real figures land below these. A fridge cycles rather than drawing continuously, and cold weather costs a lithium pack usable capacity, so treat the table as the ceiling rather than the expectation.

Charging and power delivery

It accepts 270W from a wall outlet, which the manufacturer puts at 1.2 Hours (270W Turbo Charging) to full. Maximum solar input is 200W. At 70% of that rating, which is what a fixed panel realistically delivers across a good day, a full charge from empty is roughly 1 hr 27 min of usable sun.

BLUETTI AC2A specifications

Manufacturer figures, gathered so you can read them against everything else we track rather than against the marketing page they came from.

Capacity204Wh
Continuous AC output300W
Surge / peak600W
Cell chemistryLiFePO4
Rated cycle life3,000 cycles
Weight7.9 lb
Max solar input200W
Max AC input270W
Warranty5 years
Price at BLUETTI$149
Cost per watt-hour$0.73

How the BLUETTI AC2A compares

The closest units we track from other manufacturers in the same band, matched on capacity rather than on price.

  BLUETTI AC2A EcoFlow RIVER mini (Standard) (Costco Sale) EcoFlow RIVER 2 (240)
Capacity 204Wh 210Wh 240Wh
Output 300W 300W
Cycle life 3,000 cycles
Weight 8 lb 8 lb
Price $149 $249 $199
Cost per watt-hour $0.73 $1.19 $0.83

Put it head to head →

Where the BLUETTI AC2A sits in its band

We track 36 units in the portable under 600wh band with both a price and a published capacity. They run from $118 to $599.95, and from 128Wh to 576Wh. On cost per watt-hour the BLUETTI AC2A ranks 10 of 36, where 1 is the cheapest capacity in the band. That puts it in the cheapest third, which is the single strongest thing on its spec sheet. Ranking on cost per watt-hour deliberately ignores build quality, port selection and warranty, so read it as one input rather than as the answer.

Alternatives to the BLUETTI AC2A

Units we track in the same band that are close enough to be genuine substitutes, matched on capacity. Each links to its own review.

Who the BLUETTI AC2A suits

It is a sensible buy for weekend camping, a CPAP overnight, phones and laptops, and keeping a router alive through a short outage. It is the wrong tool for anything with a heating element, and any attempt to run a fridge for more than a day.

BLUETTI AC2A questions

How long will the BLUETTI AC2A run a fridge?

A full-size fridge averages about 50W once you account for the compressor cycling on and off. From 204Wh, derated to 85% for inverter losses, that is roughly 3 hr 28 min on a full charge. A 12V portable fridge draws less and will run considerably longer.

Can the BLUETTI AC2A be charged by solar?

Yes. It accepts up to 200W of solar input. Panels rarely hit their rated figure in the field, so plan on about 70% of the panel rating across a clear day.

What warranty does the BLUETTI AC2A carry?

BLUETTI covers it for 5 years, and rates the cells for 3,000 charge cycles. Cycle life and warranty are different promises, and the cycle figure is the one that tells you how long the pack stays useful.

Is the BLUETTI AC2A worth it?

At $149 it works out at $0.73 per watt-hour. It costs less per watt-hour than the median unit in its band, which is the strongest argument in its favour. Read the comparison table above against the two closest rivals before deciding.

How we assess these

Every figure on this page comes from the manufacturer, and every derived number, cost per watt-hour and estimated runtime, is calculated the same way for all 437 products we track. That is what makes the comparison meaningful: we are not scoring units against a private impression of them, we are putting published figures side by side and doing the arithmetic in public. Where a manufacturer stays quiet, we say so rather than filling the gap.

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